Finding the Fourth Proportional to 408,730.14, 563,728.08 and 265,536.32
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Solution
The fourth proportional to 408,730.14, 563,728.08 and 265,536.32 is: 366,232.55
Step by Step Solution
- Step 1: Write the proportion equation
408,730.14 : 563,728.08 = 265,536.32 : x - Step 2: Convert to fraction form
408,730.14/563,728.08 = 265,536.32/x - Step 3: Cross multiply
408,730.14x = 563,728.08 × 265,536.32 - Step 4: Simplify right side
408,730.14x = 149,690,279,843.87 - Step 5: Solve for x
x = 149,690,279,843.87/408,730.14 - Step 6: Final answer
x = 366,232.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.